Clinical trial · Interventional
A Study to Evaluate the Safety of Adjuvant Treatment With Exemestane Following Previous Treatment With Tamoxifen in Postmenopausal Women With Estrogen Sensitive Primary Breast Cancer
A Phase 4, Open-Label Exemestane Adjuvant Safety Surveillance Program: Adjuvant Exemestane (Aromasin) Treatment Following Previous Treatment With Tamoxifen in Postmenopausal Women With Estrogen Sensitive Primary Breast Cancer (IES Inclusion Criteria)
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
The purpose of this study was to give access to postmenopausal women with estrogen sensitive primary breast cancer to exemestane for the adjuvant treatment of breast cancer after the use of tamoxifen and to collect all serious adverse events.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Breast Neoplasms | Breast Neoplasm | ONTOLOGY_EXACT | 0.98 |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| exemestane | Drug | Exemestane | ALIAS |
Design
Arms and outcomes
Arms (1)
- type
- ACTIVE_COMPARATOR
- label
- Exemestane group
- interventionNames
- Drug: exemestane
Primary outcomes (1)
- measure
- Assess for serious adverse events
- timeFrame
- Months 3, 6, 12, 18, 24, and 30; Follow-up visit 28 days posttreatment
Secondary outcomes (1)
- measure
- Safety Surveillance Program
- timeFrame
- Duration of trial
Eligibility
Eligibility (as posted)
- Sex
- Female
Show eligibility criteria text
Inclusion Criteria: * Postmenopausal patients * Patients with early breast cancer after adequate loco-regional treatment and eventual adjuvant chemotherapy, treated with tamoxifen for 2-3 years OR treated with tamoxifen for 2-3 years and consecutive exemestane treatment, provided the total duration of endocrine treatment is less than 5 years * Estrogen receptor positive breast cancer patients * Patients who remain free from disease following treatment with tamoxifen Exclusion Criteria: * Patients taking other drugs for the adjuvant treatment of breast cancer * Patients taking hormone replacement therapy * Donation of blood or blood products for transfusion during the 30 days prior to initiation of treatment with study drug, at any time during the program or 30 days after completion of treatment
References
Publications (0)
Data not yet available